/*
 * Copyright (C) 2010-2101 Alibaba Group Holding Limited.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.otter.node.etl.conflict;

import com.alibaba.otter.shared.etl.model.FileBatch;

/**
 * 文件冲突检测service
 * 
 * @author jianghang 2011-11-10 上午09:34:44
 * @version 4.0.0
 */
public interface FileBatchConflictDetectService {

    /**
     * 和本地的file进行冲突检测，过滤冲突记录，返回无冲突的记录
     * 
     * <pre>
     * <strong>注意：在extract之前调用该方法</strong>
     * </pre>
     */
    public FileBatch detect(FileBatch fileBatch, Long targetNodeId);

}
